./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff0278513429ffc22c784418884e09a92254749accfdc90a0be2595788a173c1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:02:47,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:02:47,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:02:47,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:02:47,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:02:47,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:02:47,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:02:47,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:02:47,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:02:47,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:02:47,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:02:47,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:02:47,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:02:47,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:02:47,340 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:02:47,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:02:47,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:02:47,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:02:47,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:02:47,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:02:47,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:02:47,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:02:47,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:02:47,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:02:47,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:02:47,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:02:47,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:02:47,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:02:47,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:02:47,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:02:47,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:02:47,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:02:47,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:02:47,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:02:47,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:02:47,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:02:47,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:02:47,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:02:47,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:02:47,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:02:47,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:02:47,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:02:47,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff0278513429ffc22c784418884e09a92254749accfdc90a0be2595788a173c1 [2024-11-12 03:02:47,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:02:47,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:02:47,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:02:47,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:02:47,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:02:47,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-12 03:02:48,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:02:48,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:02:48,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-12 03:02:48,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe5c2c14/dcc101dae8f442b99fa1b2b152883af9/FLAGbb647cf6e [2024-11-12 03:02:49,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe5c2c14/dcc101dae8f442b99fa1b2b152883af9 [2024-11-12 03:02:49,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:02:49,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:02:49,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:02:49,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:02:49,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:02:49,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db2839e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49, skipping insertion in model container [2024-11-12 03:02:49,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:02:49,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i[919,932] [2024-11-12 03:02:49,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:02:49,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:02:49,574 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i[919,932] [2024-11-12 03:02:49,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:02:49,651 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:02:49,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49 WrapperNode [2024-11-12 03:02:49,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:02:49,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:02:49,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:02:49,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:02:49,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,705 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-11-12 03:02:49,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:02:49,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:02:49,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:02:49,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:02:49,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,736 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 03:02:49,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:02:49,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:02:49,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:02:49,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:02:49,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (1/1) ... [2024-11-12 03:02:49,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:02:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:02:49,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 03:02:49,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 03:02:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:02:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:02:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:02:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:02:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:02:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:02:49,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:02:49,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:02:50,215 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 03:02:50,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:02:50,231 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:02:50,231 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:02:50,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:02:50 BoogieIcfgContainer [2024-11-12 03:02:50,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:02:50,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:02:50,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:02:50,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:02:50,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:02:49" (1/3) ... [2024-11-12 03:02:50,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4620a2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:02:50, skipping insertion in model container [2024-11-12 03:02:50,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:02:49" (2/3) ... [2024-11-12 03:02:50,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4620a2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:02:50, skipping insertion in model container [2024-11-12 03:02:50,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:02:50" (3/3) ... [2024-11-12 03:02:50,239 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-12 03:02:50,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:02:50,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:02:50,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:02:50,311 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56bfd5e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:02:50,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:02:50,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-12 03:02:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-12 03:02:50,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:02:50,332 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:02:50,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:02:50,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:02:50,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1883763579, now seen corresponding path program 1 times [2024-11-12 03:02:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:02:50,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257220563] [2024-11-12 03:02:50,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:02:50,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:02:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:02:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:02:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:02:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:02:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:02:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:02:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:02:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:02:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:02:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:02:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:02:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:02:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:02:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:02:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:02:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:02:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:02:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:02:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:02:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:02:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:02:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:02:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:02:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:02:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:02:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:02:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:02:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:02:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:02:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:02:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:02:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:02:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:02:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 03:02:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 03:02:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:02:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:02:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:02:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:02:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:02:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:02:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 03:02:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:02:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 03:02:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:02:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:02:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-12 03:02:53,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:02:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257220563] [2024-11-12 03:02:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257220563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:02:53,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:02:53,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:02:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578471919] [2024-11-12 03:02:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:02:53,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:02:53,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:02:53,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:02:53,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:02:53,205 INFO L87 Difference]: Start difference. First operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:02:53,736 INFO L93 Difference]: Finished difference Result 408 states and 795 transitions. [2024-11-12 03:02:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:02:53,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-12 03:02:53,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:02:53,748 INFO L225 Difference]: With dead ends: 408 [2024-11-12 03:02:53,748 INFO L226 Difference]: Without dead ends: 294 [2024-11-12 03:02:53,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:02:53,755 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 220 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 03:02:53,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 806 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 03:02:53,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-12 03:02:53,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 128. [2024-11-12 03:02:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-12 03:02:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 203 transitions. [2024-11-12 03:02:53,825 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 203 transitions. Word has length 282 [2024-11-12 03:02:53,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:02:53,828 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 203 transitions. [2024-11-12 03:02:53,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2024-11-12 03:02:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-12 03:02:53,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:02:53,834 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:02:53,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:02:53,835 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:02:53,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:02:53,836 INFO L85 PathProgramCache]: Analyzing trace with hash -563473285, now seen corresponding path program 1 times [2024-11-12 03:02:53,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:02:53,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914923839] [2024-11-12 03:02:53,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:02:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:02:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:02:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:02:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:02:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:02:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:02:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:02:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:02:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:02:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:02:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:02:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:02:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:02:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:02:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:02:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:02:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:02:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:02:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:02:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:02:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:02:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:02:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:02:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:02:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:02:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:02:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:02:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:02:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:02:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:02:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:02:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:02:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:02:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:02:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 03:02:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 03:02:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:02:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:02:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:02:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:02:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:02:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:02:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 03:02:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:02:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 03:02:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:02:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:02:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-12 03:02:54,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:02:54,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914923839] [2024-11-12 03:02:54,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914923839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:02:54,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:02:54,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:02:54,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338459878] [2024-11-12 03:02:54,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:02:54,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:02:54,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:02:54,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:02:54,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:02:54,188 INFO L87 Difference]: Start difference. First operand 128 states and 203 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:02:54,421 INFO L93 Difference]: Finished difference Result 368 states and 579 transitions. [2024-11-12 03:02:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:02:54,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-12 03:02:54,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:02:54,428 INFO L225 Difference]: With dead ends: 368 [2024-11-12 03:02:54,428 INFO L226 Difference]: Without dead ends: 243 [2024-11-12 03:02:54,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:02:54,430 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 210 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:02:54,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 874 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:02:54,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-12 03:02:54,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 128. [2024-11-12 03:02:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-12 03:02:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 203 transitions. [2024-11-12 03:02:54,451 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 203 transitions. Word has length 282 [2024-11-12 03:02:54,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:02:54,453 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 203 transitions. [2024-11-12 03:02:54,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2024-11-12 03:02:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-12 03:02:54,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:02:54,459 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:02:54,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:02:54,460 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:02:54,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:02:54,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1584541639, now seen corresponding path program 1 times [2024-11-12 03:02:54,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:02:54,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897791427] [2024-11-12 03:02:54,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:02:54,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:02:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:02:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:02:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:02:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:02:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:02:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:02:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:02:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:02:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:02:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:02:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:02:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:02:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:02:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:02:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:02:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:02:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:02:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:02:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:02:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:02:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:02:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:02:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:02:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:02:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:02:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:02:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:02:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:02:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:02:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:02:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:02:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:02:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:02:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 03:02:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 03:02:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 03:02:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:02:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 03:02:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:02:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 03:02:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:02:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 03:02:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:02:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 03:02:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:02:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:02:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:02:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-12 03:02:54,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:02:54,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897791427] [2024-11-12 03:02:54,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897791427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:02:54,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:02:54,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:02:54,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754611737] [2024-11-12 03:02:54,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:02:54,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:02:54,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:02:54,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:02:54,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:02:54,726 INFO L87 Difference]: Start difference. First operand 128 states and 203 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:02:54,901 INFO L93 Difference]: Finished difference Result 368 states and 578 transitions. [2024-11-12 03:02:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:02:54,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-12 03:02:54,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:02:54,905 INFO L225 Difference]: With dead ends: 368 [2024-11-12 03:02:54,905 INFO L226 Difference]: Without dead ends: 243 [2024-11-12 03:02:54,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:02:54,907 INFO L435 NwaCegarLoop]: 368 mSDtfsCounter, 189 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:02:54,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1121 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:02:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-12 03:02:54,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 113. [2024-11-12 03:02:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-12 03:02:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2024-11-12 03:02:54,924 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 177 transitions. Word has length 282 [2024-11-12 03:02:54,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:02:54,925 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 177 transitions. [2024-11-12 03:02:54,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-12 03:02:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2024-11-12 03:02:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-12 03:02:54,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:02:54,929 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:02:54,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:02:54,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:02:54,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:02:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1567115350, now seen corresponding path program 1 times [2024-11-12 03:02:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:02:54,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639996202] [2024-11-12 03:02:54,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:02:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:02:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat